Dr. Jill Biden and Chief of Staff of the Army General Ray Odierno laugh during a Joining Forces event (October 3, 2012)

Dr. Jill Biden and Chief of Staff of the Army General Ray Odierno laugh during a Joining Forces event celebrating the more than 100 colleges and universities that have signed on to “Operation Educate the Educators” at George Mason University in Fairfax, Va., Oct. 3, 2012. (Official White House Photo by David Lienemann)